Permafrost Thaw (IMAGE) Michigan State University Caption A peatland site in Alberta, Canada, that experienced permafrost collapse within the past 100 years. Credit Merritt Turetsky, Michigan State University Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.